Home / 58,671.72-88,003.24-18,689.16

Finding the Fourth Proportional to 58,671.72, 88,003.24 and 18,689.16

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Solution

The fourth proportional to 58,671.72, 88,003.24 and 18,689.16 is: 28,032.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,671.72 : 88,003.24 = 18,689.16 : x
  2. Step 2: Convert to fraction form
    58,671.72/88,003.24 = 18,689.16/x
  3. Step 3: Cross multiply
    58,671.72x = 88,003.24 × 18,689.16
  4. Step 4: Simplify right side
    58,671.72x = 1,644,706,632.88
  5. Step 5: Solve for x
    x = 1,644,706,632.88/58,671.72
  6. Step 6: Final answer
    x = 28,032.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.